§ 63.302 Standards for by-product coke oven batteries.
(a) Except as provided in § 63.304 or § 63.305, on and after the dates specified in this paragraph, no owner or operator shall cause to be discharged or allow to be discharged to the atmosphere, coke oven emissions from each affected existing by-product coke oven battery that exceed any of the following emission limitations or requirements:
(1) On and after December 31, 1995;
(i) For coke oven doors;
(A) 6.0 percent leaking coke oven doors for each tall by-product coke oven battery, as determined according to the procedures in § 63.309(d)(1); and
(B) 5.5 percent leaking coke oven doors for each short by-product coke oven battery, as determined according to the procedures in § 63.309(d)(1);
(ii) 0.6 percent leaking topside port lids, as determined by the procedures in § 63.309(d)(1);
(iii) 3.0 percent leaking offtake system(s), as determined by the procedures in § 63.309(d)(1); and
(iv) 12 seconds of visible emissions per charge, as determined by the procedures in § 63.309(d)(2).